James Alexander Thom (born 1933) is an American author, most famous for his works in the Western genre. Born in Gosport, Indiana, he graduated from Butler University and served in the United States Marine Corps. He is a former professor of journalism at Indiana University, and a contributor to the The Saturday Evening Post. His fifth wife, Dark Rain Thom was a member of the Shawnee United Remnant Band until its dissolution; the Thoms presently live in the "Indiana hill country" near Bloomington.